Obviously, you need to check the minimum system requirements of the particular programs you are likely to be running (some Autocads are really "thirsty". I tend to think you may find the Fujitsu may be a bit "lightweight", in terms of hard drive. Of the two Lenovos, the Thinkpad may be better quality, but the G570 gives more "bang for your buck". Having said that, there are numerous versions of the G570; the one you show is the basic version. Some of the higher spec versions may be a bit more expensive, but possibly better value for money. There is also a Z570 which may be a good compromise between spec, and quality.
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